<template>
  <div class="swiper">
    <swiper :options="swiperOption" v-if="showSwiper">
      <!-- slides -->
      <swiper-slide v-for="item in list" :key="item.id">
        <img class="swiper-img" :src="item.imgUrl" alt="">
      </swiper-slide>
      <!-- Optional controls -->
      <div class="swiper-pagination" slot="pagination"></div>
    </swiper>
  </div>

</template>

<script>
  export default {
    name: 'HomeSwiper',
    props: {
      list: Array
    },
    data: function () {
      return {
        swiperOption: {
          pagination: '.swiper-pagination',
          autoplay: 2000,
          paginationClickable: true
        }
      }
    },
    computed: {
      showSwiper (){
        return this.list.length
      }
    }
  }
</script>

<style lang="stylus" scoped>
  .
  swiper > > >
  .swiper-pagination-bullet-active
    background-color #fff !important

  .swiper
    overflow hidden
    width 100%
    height 0
    background-color #eee
    /*高度和宽度会自动撑开31.25*/
    padding-bottom 31.25%
    .swiper-img
      width 100%
</style>
